If you go into your account management page, there will be a link for Free Character Migration. If you have any eligible characters, they will show there. There will also be a link showing what current transfers are possible, but if you don't have any eligible characters then I can't see why you'd care.
--- "College is fun as long as you don't die." - L
^ lol L quote, its actually "College is actually pretty fun, as long as it doesn't kill me" Because he was risking a lot by showing himself to the public, and Light. --- Befriend your inner demons, fore they are the true reflection of yourself